MFS High Yield Municipal Trust
US ˙ NYSE ˙ US59318E1029

SecurityCMU / MFS High Yield Municipal Trust
InstitutionMorgan Stanley
Latest Disclosed Ownership0 shares
Ownership 0.00%
Morgan Stanley ownership in CMU / MFS High Yield Municipal Trust

2012-10-09 - Morgan Stanley has filed an SC 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 0 shares of MFS High Yield Municipal Trust (US:CMU). This represents 0.0 percent ownership of the company.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File
Date		Effective
Date		Form Prev
Shares		 Latest
Shares		 ΔShares
(Percent)		 Ownership
(Percent)		 ΔOwnership
(Percent)
2012-10-09 2012-10-09 13G/A 0 0.00

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 710,702 319,091 81.48 2,544 85.15 0.0002
2026-05-27 2025-12-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 391,611 295,240 306.36 1,375 311.38 0.0001
2026-02-13 2025-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 391,611 295,240 1,375 0.0001
2026-05-27 2025-09-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 96,371 -1,988 -2.02 334 2.14 0.0000
2025-11-14 2025-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 96,371 -1,988 334 0.0000
2025-08-15 2025-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,359 10 0.01 328 -4.66 0.0000
2025-05-15 2025-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,349 37 0.04 343 -0.87 0.0000
2025-05-15 2024-12-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,312 17 0.02 346 -3.89 0.0000
2025-02-14 2024-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,312 17 346 0.0000
2025-05-14 2024-09-30 13F/A-2 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,295 -1,057 -1.06 360 5.88 0.0000
2025-02-14 2024-09-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,295 -1,057 360 0.0000
2024-11-14 2024-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 98,295 -1,057 360 0.0000
2025-05-14 2024-06-30 13F/A-2 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 99,352 -34,853 -25.97 341 -23.77 0.0000
2024-10-17 2024-06-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 99,352 -34,853 341 0.0000
2024-08-14 2024-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 99,352 -34,853 341 0.0000
2024-10-17 2024-03-31 13F/A-2 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 134,205 2,750 2.09 447 2.53 0.0000
2024-08-16 2024-03-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 134,205 2,750 447 0.0000
2024-05-15 2024-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 134,205 2,750 447 0.0000
2024-08-16 2023-12-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 131,455 -6,666 -4.83 435 0.69 0.0000
2024-02-13 2023-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 131,455 -6,666 435 0.0000
2023-11-15 2023-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 138,121 -943 -0.68 432 -3.36 0.0000
2023-08-14 2023-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 139,064 4,474 3.32 448 3.47 0.0000
2023-05-15 2023-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 134,590 -13,905 -9.36 432 -6.90 0.0000
2023-02-14 2022-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 148,495 4,715 3.28 465 7.41 0.0001
2022-11-14 2022-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 143,780 27,255 23.39 432 10.20 0.0001
2022-10-27 2022-06-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 116,525 -8,122 -6.52 392 -18.67 0.0001
2022-08-15 2022-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 116,525 -8,122 392 0.0000
2022-10-27 2022-03-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 124,647 29,804 31.42 482 12.35 0.0001
2022-05-13 2022-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 124,647 29,804 482 0.0001
2022-02-14 2021-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 94,843 5,489 6.14 429 4.63 0.0001
2021-11-15 2021-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 89,354 3,826 4.47 410 0.99 0.0001
2021-08-23 2021-06-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 85,528 -5,859 -6.41 406 -0.49 0.0001
2021-08-16 2021-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 85,528 -5,859 406 0.0000
2021-05-17 2021-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 91,387 -1,609 -1.73 408 -0.24 0.0001
2021-02-16 2020-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 92,996 -1,233 -1.31 409 3.28 0.0001
2020-11-13 2020-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 94,229 -1,363 -1.43 396 1.80 0.0001
2020-08-14 2020-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 95,592 -23,423 -19.68 389 -22.51 0.0001
2020-05-26 2020-03-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 119,015 -22,828 -16.09 502 -25.19 0.0001
2020-05-15 2020-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 119,015 -22,828 502 38.5641
2020-02-14 2019-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 141,843 7,153 5.31 671 6.17 0.0002
2019-11-14 2019-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 134,690 5,576 4.32 632 3.44 0.0002
2019-08-14 2019-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 129,114 15,522 13.66 611 15.72 0.0002
2019-05-15 2019-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 113,592 -13,240 -10.44 528 -0.19 0.0001
2019-02-14 2018-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 126,832 78,566 162.78 529 140.45 0.0002
2019-04-23 2018-09-30 13F/A-2 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 48,266 -50,802 -51.28 220 -50.78 0.0001
2018-11-20 2018-09-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 48,266 0 220 0.0001
2018-11-14 2018-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 48,266 220
2019-04-23 2018-06-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 99,068 50,387 103.50 447 106.94 0.0001
2018-08-14 2018-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 99,068 50,387 447
2019-04-23 2018-03-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 48,681 27,196 126.58 216 118.18 0.0001
2018-05-14 2018-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 48,681 27,196 216
2019-04-23 2017-12-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 21,485 -42,904 -66.63 99 -67.65 0.0000
2018-02-14 2017-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 21,485 99
2017-11-14 2017-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 64,389 12,140 23.23 306 24.39 0.0001
2017-08-11 2017-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 52,249 -18,182 -25.82 246 -24.31 0.0001
2017-05-22 2017-03-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 70,431 -39,491 -35.93 325 -33.13 0.0001
2017-05-12 2017-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 70,431 325
2017-02-22 2016-12-31 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 109,922 83,522 316.37 486 262.69 0.0002
2017-02-13 2016-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 109,922 486
2016-11-10 2016-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 26,400 0 0.00 134 3.08 0.0000
2016-08-12 2016-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 26,400 -11,947 -31.15 130 -29.73 0.0000
2016-05-12 2016-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 38,347 -164,792 -81.12 185 -79.80 0.0001
2016-02-09 2015-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 203,139 -49,730 -19.67 916 -17.10 0.0003
2016-02-08 2015-09-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 252,869 14,417 6.05 1,105 12.76 0.0004
2015-11-09 2015-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 252,869 1,105
2015-08-12 2015-06-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 238,452 121,462 103.82 980 89.19 0.0003
2015-05-14 2015-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 116,990 -44,789 -27.69 518 -27.04 0.0002
2015-02-13 2014-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 161,779 132,751 457.32 710 463.49 0.0003
2014-12-16 2014-09-30 13F/A-1 MFS HIGH YIELD MUN TR SH BEN INT 59318E102 29,028 14,528 100.19 126 96.88 0.0000
2014-11-14 2014-09-30 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 29,028 126
2014-05-13 2014-03-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 14,500 -7,251 -33.34 64 -28.89 0.0000
2014-02-13 2013-12-31 13F MFS HIGH YIELD MUN TR SH BEN INT 59318E102 21,751 -39,338 -64.39 90 -64.29 0.0000
2013-11-13 2013-09-30 13F MFS HIGH YIELD MUNICIP COM 59318E102 61,089 61,089 252 0.0001
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.